This examination of geometry's correlation with other branches of math and science features a review of systematic geometric motivations in vector space theory and matrix theory; the use of the center of mass in geometry, with an introduction to barycentric coordinates; consideration of the particle problem; more. 1965 edition.

Table of Contents for A Vector Space Approach to Geometry

1. The Center of Mass
	1.1 Introduction
	1.2 Some Physical Assumptions and Conventions
	1.3 Physical Motivations in Geometry
	1.4 Further Physical Motivations
	1.5 An Axiomatic characterization of Center of Mass
	1.6 An Algebraic Attack on Geometry
	1.7 Painting a Triangle
	1.8 Barycentric Coordinates
	1.9 Some Algebraic Anticipation
	1.10 Affine Geometry
2. Vector Algebra
	2.1 Introduction
	2.2 The Definition of Vector
	2.3 Vector Addition
	2.4 Scalar Multiplication
	2.5 Physical and Other Applications
	2.6 Geometric Applications
	2.7 A Vector Approach to the Center of Mass
3. Vector Spaces and Subspaces
	3.1 Introduction
	3.2 Vector Spaces
	3.3 Independence and Dimension
	3.4 Some Examples of Vector Spaces: Coordinate Geometry
	3.5 Further Examples
	3.6 Affine Subspaces
	3.7 Some Separation Theorems
	3.8 Some Collinearity and Concurrence Theorems
	3.9 The Invariance of Dimension
4. Length and Angle
	4.1 Introduction
	4.2 Geometric Definition of the Inner Product
	4.3 Proofs Involving the Inner Product
	4.4 The Metrix Axioms
	4.5 Some Analytic Geometry
	4.6 Orthogonal Subspaces
	4.7 Skew Coordinates
5. Miscellaneous Applications
	5.1 Introduction
	5.2 The Method of Orthogonal Projections
	5.3 Linear Equations: Three Views
	5.4 A Useful Formula
	5.5 Motion
	5.6 A Minimum Principle
	5.7 Function Spaces
6. Area and Volume
	6.1 Introduction
	6.2 Area in the Plane: An Axiom System
	6.3 Area in the Plane: A Vector Formulation
	6.4 Area of Polygons
	6.5 Further Examples
	6.6 Volumes in 3-
	6.7 Area Equals Base Times Height
	6.8 The Vector Product
	6.9 Vector Areas
7. Further Generalizations
	7.1 Introduction
	7.2 Determinants
	7.3 Some Theorems on Determinants
	7.4 Even and Odd Permutations
	7.5 Outer Products in n-Space
	7.6 Some Topology
	7.7 Areas of Curved Figures
8. Matrices and Linear Transformations
	8.1 Introduction
	8.2 Some Examples
	8.3 Affine and Linear Transformations
	8.4 The Matrix of a Linear Transformation
	8.5 The Matrix of an Affine Transformation
	8.6 Translations and Dilatations
	8.7 The Reduction of an Affine Transformation to a Linear One
	8.8 A Fixed Point Theorem with Probabilistic Implications
9. Area and Metric Considerations
	9.1 Introduction
	9.2 Determinants
	9.3 Applications to Analytic Geometry
	9.4 Orthogonal and Euclidean Transformations
	9.5 Classification of Motions of the Plane
	9.6 Classification of Motions of 3-Space
10. The Algebra of Matrices
	10.1 Introduction
	10.2 Multiplication of Matrices
	10.3 Inverses
	10.4 The Algebra of Matrices
	10.5 Eigenvalues and Eigenvectors
	10.6 Some Applications
	10.7 Projections and Reflections
11. Groups
	11.1 Introduction
	11.2 Definitions and Examples
	11.3 The "Erlangen Program"
	11.4 Symmetry
	11.5 Physical Applications of Symmetry
11.6 Abstract Groups
Index

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